Concepts/Definitions
Name the 6 strong acids
HCl, HI, HBr, H2SO4, HNO3, HClO4
Write the condensed electron configuration for copper
1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d¹⁰
Balance the following equation:
__C8H18 + __O2 --> __CO2 + __H2O
2C8H18 + 25O2 --> 16CO2 + 18H2O
If you were to take a volleyball scuba diving with you what would be its new volume if it started at the surface with a volume of 2.00L, under a pressure of 752.0 mmHg, and a temperature of 20.0°C? On your dive you take it to a place where the pressure is 3.872atm, and the temperature is 0.245°C. Answer in liters.
0.477L
Calculate the energy of a photon with a wavelength of 429 nm
4.63x10-19 J
What is the difference between paramagnetic and diamagnetic?
Paramagnetic: contains at least one unpaired electron
Diamagnetic: contains no unpaired electrons
List all possible quantum numbers for n=3
l = 0, 1, 2
ml = -2, -1, 0, 1, 2
ms = +1/2, -1/2
Write the net ionic equation for a double replacement between sodium carbonate and barium nitrate
Ba2+ + CO32- --> BaCO3 (s)
A gaseous mixture made from 12.2g of O2 and 6.37g of CH4 placed in a 20.0L vessel at 273K. What is the total pressure inside the vessel?
0.872 atm
Define each quantum number and how it is determined.
n: principle quantum number, a positive integer
l: the angular momentum quantum number; integer from 0 to n-1 (associated with the shapes of orbitals)
ml: magnetic quantum number; integer from -l to +l
ms: electron spin (+1/2 or -1/2)
List the 4 components of Dalton's Atomic Theory
1) elements are composed of atoms.
2) atoms of same element are identical, but differ from other elements.
3) elements can mix together to form compounds
4) a chemical reaction involves the separation, combination, or rearrangement of atom (NOT creation or destruction)
Draw an electron box diagram for a gallium atom at ground state
See Slides
40.2g of lead (II) nitrate reacts with 112.6ml of 1.25M sulfuric acid. What is the precipitate, and how many grams of precipitate are produced?
PbSO4 (lead (II) sulfate); 36.8g
Calculate the root mean squared velocity of Cl2 at 98.6°C
362 m/s
List the following isotopes from least to most neutrons:
I: 4222Ti
II: aluminum-30
III: 2714Si
IV: potassium-38
Si < Al < K < Ti
List the 5 components of Kinetic Gas Theory
1) the molecules can be treated as points (no volume)
2) no attractive interactions between molecules
3) gas particles move around at random
4) collision of gas molecules with the wall are totally elastic
5) KE is proportional to temperature
What is the electron geometry, molecular geometry, and hybridization of XeF4?
electron geometry: Octahedral
molecular geometry: Square Planar
hybridization: sp3d2
You are performing an acid-base neutralization. 41.89mL 0.687M Magnesium hydroxide is reacted with 32.71mL 0.543M nitric acid. What is the final concentration of the salt produced?
0.119M
Calculate the pressure of 1.00moles of an ideal gas at 44.5°C, in a 2.00L container.
Calculate the pressure for the same real gas, which has a compressibility factor of 0.960
13.0 atm
12.5 atm
What is the oxidant and reductant in the following reaction?
CH4 + 2O2 → CO2 + 2H2O
Oxidant: O2
Reductant: CH4
Define the 3 types of radiation
Alpha particles: positively charged; identical to He atoms; low intensity, not too harmful
Beta particles: negatively charged; identical to electrons; medium intensity, little harm
Gamma Rays: high energy particles; very damaging to tissue
Draw a radial distribution graph for a 4d orbital
See Slides
32.7mL of 0.800M potassium hydroxide reacts with 64.2mL of 1.200 M hydroiodic acid. Which reactant is in excess, and how many moles of excess are there?
HI; 0.0509 moles excess
Using the Van der Waal's equation, determine the observed pressure of 12.3g of sulfur hexafluoride, in a 2.50L container at 298K.
a = 7.754 atm*L2/mol2
b = 0.08786 L/mol
0.817 atm
A compound containing 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen has an atomic mass of 175 g/mol. What is the molecular formula?
C6H12O6